Good Gear Guide
Image gallery: Building an Apple-1 replica from sc...
Top: The final chip to install is the main processor, the 65C02, a [[xref:http://en.wikipedia.org/wiki/WDC_65C02#Comparison_with_the_MOS_6502|slightly upgraded version|Comparison with the MOS 6502]] of the 6502 used in the Apple-1.
Bottom: The 65C02 goes in the bottom-left socket on the circuit board.
Image gallery: Building an Apple-1 replica from scratch